/Engine/Source/Runtime/Experimental/Iris/Core/Public/Iris/ReplicationSystem/NetBlob/ReliableNetBlobQueue.h
On the receiving end this will return a pointer to the next blob that can be processed.
const [TRefCountPtr](API\Runtime\Core\Templates\TRefCountPtr)< [FNetBlob](API\Runtime\IrisCore\Iris\ReplicationSystem\NetBlob\FNetBlob) > * Peek() const